Question

Calculate the slope of line OB (from origin) in the graph, where the distance is given in km and time is given in hours and minutes.

Answer 1

Answer:

Explanation:

average velocity is 25m/s so distance will be 25×20=500m

now finding area of the graph between velocity and time graph we get  

area of two triangles + area of rectangle.

2.21t.5.t+(25−2t).5t=500=>t2−25t+100

=>t=5